SHIYAN 27C, 63601
Orbit data source: Space-Track
SHIYAN 27C, 63601 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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63601 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 5.0 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 SHIYAN 27C
1 63601U 25078C 26302.98720834 -.00000019 00000-0 35623-4 0 9996
2 63601 99.6946 308.2862 0000776 90.8638 269.2589 13.57250783 75828Epoch: 2026-10-29T23:41Z
TLE epoch observation values (Epoch: 2026-10-29T23:41:34.800Z)
Latitude
-0.00005°
Longitude
-85.42255°
Altitude
1,048.503 km
Speed
7.328 km/s
True Right ascension
20h 33m 08s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
06:03:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.568 km
Perigee altitude
1,042.416 km
Semi-major axis
7,421.129 km
Eccentricity
0.00008
Inclination
99.6946°
RAAN
308.2862°
Arg. of periapsis
90.8638°
True anomaly
269.25001°
Mean anomaly
269.2589°
Eccentric anomaly
269.25445°
Mean motion
3.39499 °/min
Orbital period
106.04 mins
BSTAR
0.000035623
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Other satellites on launch #78 in the year 2025 (2025-04-18 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SHIYAN 27C Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-10-30 12:40:18.847Z | 30.004° NE | 2026-10-30 12:46:18.847Z | 99.104° ESE | 39.988° | 2026-10-30 12:51:18.847Z | 162.681° S |
| 10 mins | 2026-10-30 14:26:18.847Z | 350.641° N | 2026-10-30 14:30:18.847Z | 303.092° NW | 33.882° | 2026-10-30 14:36:18.847Z | 233.674° WSW |
| 7 mins | 2026-10-30 22:52:18.847Z | 93.076° ESE | 2026-10-30 22:55:18.847Z | 61.448° ENE | 19.349° | 2026-10-30 22:59:18.847Z | 20.022° NNE |
| 11 mins | 2026-10-31 00:34:18.847Z | 172.3° S | 2026-10-31 00:39:18.847Z | 244.597° WSW | 74.317° | 2026-10-31 00:45:18.847Z | 341.101° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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